Member of Technical Staff — Supercomputing

About the Role RadixArk is hiring a Member of Technical Staff — Supercomputing to help build, deploy, and operate production-grade AI infrastructure for frontier-scale inference and training workloads. This role sits at the intersection of engineering, deployment, reliability, and customer infrastructure. You will work on bringing up SGLang, Miles, and the RadixArk infrastructure stack across cloud GPUs, customer VPCs, dedicated clusters, and partner environments. You will help ensure that our systems are not only fast in benchmarks, but reliable, observable, and operationally robust in real p